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Class Information
Number: 318/764
Name: Electricity: motive power systems > Induction motor systems > Braking > Reversal of power to primary winding > Three phase power reversal
Description: Subject matter wherein the circuitry to change the direction of current or the phase is in a three phase motor circuit.

Patents under this class:

Patent Number Title Of Patent Date Issued
8368342 Apparatus and method for generating electromagnetic torque in an electric machine Feb. 5, 2013
7034345 High-power, integrated AC switch module with distributed array of hybrid devices Apr. 25, 2006
6166513 Four-quadrant AC-AC drive and method Dec. 26, 2000
5942874 Method of ensuring stability of synchronous machine Aug. 24, 1999
5103152 Drive control circuit for sensorless type three-phase half-wave motor Apr. 7, 1992
4697131 Voltage source inverter and variable frequency, constant voltage AC motor drive embodying the same Sep. 29, 1987
4262241 Control system for commutatorless motor driven through frequency converter Apr. 14, 1981
4081735 Motion control system for an inductively controlled multi-phase motor Mar. 28, 1978

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